. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . of a materialcontaining carbon by the heat of the incan-descing carbon filament in the presence of amaterial which will absorb the gas set free. too 2. An incandescing electric lamp providedwith a compound of carbon volatilizable at low 613 heat and a gas-absorbing material, substan-tially as and for the purpose set forth. 3. The within-described process of repairingthe waste of or building up the incandescingcarbon filament of an electric lamp, consistingin decomposing the vapor of a mixture of chlo-ride of carbon
. Collection of United States patents granted to Thomas A. Edison, 1869-1884 . of a materialcontaining carbon by the heat of the incan-descing carbon filament in the presence of amaterial which will absorb the gas set free. too 2. An incandescing electric lamp providedwith a compound of carbon volatilizable at low 613 heat and a gas-absorbing material, substan-tially as and for the purpose set forth. 3. The within-described process of repairingthe waste of or building up the incandescingcarbon filament of an electric lamp, consistingin decomposing the vapor of a mixture of chlo-ride of carbon and a hydrocarbon by the heatof the incandescing carbon filament in thepresence of a substance which will readily ab-sorb the gas set free. 4. An incandescing electric lamp provided with a chloride of carbon vapor for depositingcarbon upon the carbon filament by decompos-ing such vapor by the heat of the filament,substantially as set forth. This specification signed and witnessed this10th day of February, 1882. THOMAS A. EDISON. Witnesses: Eichd. K Dyer, Wm. H. N. PETERS. Photo-Lithographer, Washington. D. C.\ (No Model.) 4 Sheets—Sheet 2. T. A. EDISON. MEANS FOR OPERATING AND REGULATING ELECTRICAL GENERATORS. No. 276,232. Patented Apr. 24,1883.
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Keywords: ., boo, bookcentury1800, booksubjectinventions, booksubjecttelephone
